Wireless speaker



FIG. 1 is a front, right and top perspective view of a wireless speaker showing my new design;

FIG. 2 is a rear, left and bottom perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rearview thereof;

FIG. 5 is a left view thereof;

FIG. 6 is a right view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

The broken lines shown in the figures are for the purpose of illustrating portions of the wireless speaker, which form no parts of the claimed design. 

CLAIM The ornamental design for a wireless speaker, as shown and described. 